Patent
   D325881
Priority
Jul 24 1989
Filed
Jul 24 1989
Issued
May 05 1992
Expiry
May 05 2006
Assg.orig
Entity
unknown
4
6
n/a
The ornamental design for a color comparator, as shown.

FIG. 1 is a perspective view of a color comparator showing our new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a front elevational view thereof.

Brayton, Scott V., Vanvalin, Richard D., Gaul, Timothy J.

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Patent Priority Assignee Title
1389836,
1495763,
1675967,
3773425,
4073623, Oct 31 1975 Merck Patent Gesellschaft Mit Beschrankter Haftung Analytical determination of substances in solution
D316826, Sep 16 1988 EXOCELL, INC , A CORP OF PA Analytic colormetric instrument
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 13 1989BRAYTON, SCOTT V HACH COMPANY, 5600 LINDBERGH DRIVE, LOVELAND, COLORADO 80537, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0051030798 pdf
Jul 13 1989VANVALIN, RICHARD D HACH COMPANY, 5600 LINDBERGH DRIVE, LOVELAND, COLORADO 80537, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0051030798 pdf
Jul 13 1989GAUL, TIMOTHY J HACH COMPANY, 5600 LINDBERGH DRIVE, LOVELAND, COLORADO 80537, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0051030798 pdf
Jul 24 1989Hach Company(assignment on the face of the patent)
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